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Diffstat (limited to 'src/nativewindow/classes/javax/media')
| -rw-r--r-- | src/nativewindow/classes/javax/media/nativewindow/ScalableSurface.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/nativewindow/classes/javax/media/nativewindow/ScalableSurface.java b/src/nativewindow/classes/javax/media/nativewindow/ScalableSurface.java new file mode 100644 index 000000000..024f22bc9 --- /dev/null +++ b/src/nativewindow/classes/javax/media/nativewindow/ScalableSurface.java @@ -0,0 +1,80 @@ +/** + * Copyright 2014 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ + +package javax.media.nativewindow; + +/** + * Adding mutable surface pixel scale property to implementing class, usually to a {@link NativeSurface} implementation, + * see {@link #setSurfaceScale(int[])}. + */ +public interface ScalableSurface { + /** Setting surface-pixel-scale of {@value}, results in same pixel- and window-units. */ + public static final int IDENTITY_PIXELSCALE = 1; + /** Setting surface-pixel-scale of {@value}, results in maximum platform dependent pixel-scale, i.e. pixel-units >> window-units where available. */ + public static final int AUTOMAX_PIXELSCALE = 0; + + /** + * Request a pixel scale in x- and y-direction for the associated {@link NativeSurface}. + * <p> + * Default pixel scale request for both directions is {@link #AUTOMAX_PIXELSCALE}. + * </p> + * <p> + * In case platform only supports uniform pixel scale, i.e. one scale for both directions, + * either {@link #AUTOMAX_PIXELSCALE} or the maximum requested pixel scale component is used. + * </p> + * <p> + * The <i>requested</i> pixel scale will be validated against platform limits before native scale-setup, + * i.e. clipped to {@link #IDENTITY_PIXELSCALE} if not supported or the platform maximum. + * </p> + * <p> + * The actual <i>realized</i> pixel scale values of the {@link NativeSurface} + * can be queried via {@link #getSurfaceScale(int[])} or + * computed via <code>surface.{@link NativeSurface#convertToPixelUnits(int[]) convertToPixelUnits}(new int[] { 1, 1 })</code> + * </p> + * + * @param pixelScale <i>requested</i> surface pixel scale int[2] values for x- and y-direction. + */ + public void setSurfaceScale(final int[] pixelScale); + + /** + * Returns the pixel scale of the associated {@link NativeSurface}. + * <p> + * In case the {@link NativeSurface} is not yet realized, method returns the + * requested pixel scale as validated via {@link #setSurfaceScale(int[])} + * if called earlier or the implementation default, usually {@link #AUTOMAX_PIXELSCALE}. + * </p> + * <p> + * In case the {@link NativeSurface} is already realized, method returns the + * actual used pixel scale. + * </p> + * @param result int[2] storage for the result + * @return the passed storage for chaining + */ + public int[] getSurfaceScale(final int[] result); +} + |